后缀：-id [形容词后缀]

表示具有...性质的、如...的、含有...的

florid 如花的

splendid 逃煌的，华丽的

fervid 热烈的

lucid 透明的，明亮的

fluid 流动的

stupid 笨的

liquid 液体的，流动的

vivid 活泼的

timid 胆小的

placid 恬静的

词根词缀：eido-, eid-; ido-, id-

【来源及含义】Greek: image, figure, form, shape; literally, "that which is seen"

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": figur-; form-; icono-; ideo-; imag-; morpho-; -oid; typo-.

【同源单词】eidetic, eidogen, eidograph, eidography, eidolic, eidolism

词根词缀：-id

【来源及含义】Latin: a suffix; meaning, state, condition; having, being, pertaining to, tending to, inclinded to

【同源单词】avid, florid, frigidness

词根词缀：-idae, -ida, -id

【来源及含义】Greek: a suffix used to form the names of families in zoology and biology; descended from, related to

【同源单词】Agorophiidae, Balaenidae, Balaenopteridae, Basilosauridae, Delphinidae, Eschrichtiidae